def evaluate_weights():
    # 输入体重数据
    weights_input = input("请输入小朋友们的体重（kg），用空格分隔：")
    weights = tuple(map(float, weights_input.split()))

    # 计算平均体重
    average = sum(weights) / len(weights)

    # 找出超出平均值的体重
    overweight = tuple(w for w in weights if w > average)

    # 输出结果
    print(f"\n平均体重：{average:.1f}kg")
    print("超出平均体重的有：", end="")
    print(" ".join(f"{w:.1f}" for w in overweight) if overweight else "无")


# 示例运行
if __name__ == "__main__":
    print("幼儿园体重评估系统")
    print("------------------")
    evaluate_weights()